OpenTechnical

OT-2026-000073238

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073238) never changes.

Identity and time

Publication numberOT-2026-000073238 · never reused
Internal UUID01a0ae92-efb6-7dbf-8112-d109d6c56e1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073238
StatusPUBLIC

Content hashes

Canonical textbdda4dc194064bdcf0e482b10ae6fbc8f743cdc97a4cd11eb6b94c63f21b03fc
Markdownd45788e35e8ab7e270a74bd1ac34f0ef9b83ecf08ca04e97f6993e6ca5faabb7
PDF
Publication pagee0f717e7f57f80e2f5c4ba89e2029d22dde2b06405e1546c4e86b2344ddde479
Manifestb24e47775e1f821eb4fed04685a2e985598fdcb4a5281531c9859f72d97d5add

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUA2XwiMRC2KBjZeDAHw6oDCzQEmUTB8Nmxoxfsfqbuj1bdj+cVeIsZXku0s3KrS7TLKZbJoXwk+TaBRPPooODg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:13.492540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073238
observed e0f717e7f57f80e2f5c4ba89e2029d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.472901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073238/manifest.json
observed b24e47775e1f821eb4fed04685a2e985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.455405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073238/publication.md
observed d45788e35e8ab7e270a74bd1ac34f0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.434784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073238/publication.txt
observed bdda4dc194064bdcf0e482b10ae6fbc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.